Ryibyi was a large leaf covered demon from Devilman Grimoire who served Sirene.
Appearance[]
Identical to his original appearance, Ryibyi is a large slumped humanoid demon covered in large leaves, the only uncovers area's on his body being his mouth and eyes.
Powers and Abilities[]
Unknown as he is killed before being able to use them, however they are presumably plant based.
History[]
Ryibyi alongside the pixie demon Irufuno attempted to capture Tsubasa Rainuma in a park at night. However Tsubasa, using her powers, manages to cause both Irufuno and Ryibyi to explode, Ryibyi leaving behind a pile of blood and Leaves.
In a flashback, Rybyi is seen taking over a human body at a Black Sabbath held by Sirene.